PH 262
Slow Decay: Resistance-Capacitance Circuits
Pre-Lab
Lab #
_ Name _ Date _
In the figure below, treat the DMM as a 10 M resistor.
I(t)
Assume the battery has been connected for a long time. The battery is disconnected at t = 0s.
1.
2.
3.
4.
5.
6.
7.

PH 262
AC Circuits
Pre-Lab
Lab #
_ Name _Date _
A series RLC circuit is connected across a source of emf which is a sinusoidal function of time. The graph below
shows the driving voltage across the circuit (in green) and the current through the circuit (i

PH 262
Rapid Decay: RC and RL Circuits
Pre-Lab
Lab #
_ Name _ Date _
In this lab, we will be investigating the properties of circuits containing a resistor in series with
either a capacitor or an inductor.
1. Assume a current I(t) flows through each circu

PH 262 Lab: Introduction to the Oscilloscope
INSTRUCTOR VERIFICATION SHEET
Name:
Date of Lab:
1) Measure the period and amplitude of a sine wave. In the space below, draw what you see on the
screen and indicate what you measured for each.
Measured Amplitu

PH 262
Ohms Law
Pre-Lab
Lab #
_ Name _ Date _
You will find it useful to have completed the Prelecture on Current and
Resistance before completing this Pre-Lab assignment.
(A) Using the Supplement Resistors, Capacitors, Inductors and the Resistor Color Co

PH 262
Charge-to-mass Ratio for an Electron/Magnetic Force on a Wire
Pre-Lab
Lab #
_ Name _ Date _
Part I: Charge to mass Ratio for an Electron
1. Calculate the speed of an electron passing through an accelerating potential of V volts.
2. Using the Lorent

PH 262
Kirchoffs Laws
Pre-Lab
Lab #
_ Name _ Date _
(A) Use Kirchoffs Laws to solve for the theoretical currents and voltage drops in the circuit shown
below. Use the nominal values for the resistances and voltages shown. Clearly indicate the nodes
and me

PH 262 Discussion
Magnetic Forces and Torques. Production
of Magnetic Fields
a = 3.0 cm
B = 0.04 T
I=5A
Q1. Magnetic forces and torques on loops.
A triangular loop with hypotenuse a and 30 - 60 - 90 angles lies
in the xy plane. A constant current I circul

PH 262 Discussion
RC Circuits. Lorentz Force.
Session 7
Q1. The circuit shown initially has the capacitor uncharged, and the switch connected to neither
terminal. At time t = 0, the switch is thrown to position a.
C
a
E
b
R1
R2
E = 12 V
C=5 F
R1 = 3
R2 =

PH 262 - General Physics II
In-class Assignment Week 7
Dept. of Physics, Engineering and Geosciences
Montgomery College, Rockville
1. Consider the circuit:
(a) Use the positive direction shown for I1 above. Add the correct signs for V14 and V23 .
(b) Writ

PH 262 Discussion
Electric Potential
Session 4
Potential of Parallel Plates
Consider a parallel plate capacitor with plate separation d. Assume that the dimensions of the
plate are very large compared to the separation.
(a) Use Gauss law and find an expre

PH 262 Discussion
Capacitor Networks
Session 5
A battery of voltage V0 is again hooked up to a network of 5 capacitors, but in the arrangement below.
You are asked four questions:
1. What is the voltage
VA at the point A?
C1
2. What is the voltage
VB at t

PH 262 Discussion
Gauss Law
Session 3
Hollow Spherical Shell
A hollow spherical shell of radius R carries a charge of +Q. The shell is a conductor.
(a) Find an expression for E(r), r < R. Show your work and explain your answer.
(b) Find and expression for